diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index efc0ab0..5f38a96 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,25 +8,24 @@ jobs:
   integration:
     name: Integration
     runs-on: ubuntu-latest
-
+    continue-on-error: ${{ matrix.experimental }}
     strategy:
       matrix:
         php:
-          - '7.1'
-          - '7.2'
-          - '7.3'
           - '7.4'
           - '8.0'
 
         symfony:
-          - 4.0.*
-          - 4.1.*
-          - 4.2.*
-          - 4.3.*
-          - 4.4.*
-          - 5.0.*
-          - 5.1.*
-          - 5.2.*
+          - '5.0.*'
+          - '5.1.*'
+          - '5.2.*'
+          - '5.3.*'
+
+        experimental: [ false ]
+
+        include:
+          -   php: '8.1'
+              experimental: true
 
     steps:
       - uses: actions/checkout@v2
diff --git a/composer.json b/composer.json
index d57bdac..f86babb 100644
--- a/composer.json
+++ b/composer.json
@@ -16,12 +16,12 @@
         }
     ],
     "require": {
-        "php": ">=7.1",
-        "symfony/yaml": "^4.0|^5.0",
-        "symfony/config": "^4.0|^5.0"
+        "php": ">=7.4",
+        "symfony/yaml": "^5.0",
+        "symfony/config": "^5.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0|^8.0"
+        "phpunit/phpunit": "^9.0"
     },
     "minimum-stability": "stable",
     "autoload": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index f9c5323..ff32073 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,20 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit bootstrap="./Tests/bootstrap.php" colors="true">
-    <testsuites>
-        <testsuite name="VipxBotDetect test suite">
-            <directory suffix="Test.php">./Tests</directory>
-        </testsuite>
-    </testsuites>
-
-    <filter>
-        <whitelist>
-            <directory>./</directory>
-            <exclude>
-                <directory>./build</directory>
-                <directory>./Tests</directory>
-                <directory>./vendor</directory>
-            </exclude>
-        </whitelist>
-    </filter>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="./Tests/bootstrap.php" colors="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage>
+    <include>
+      <directory>./</directory>
+    </include>
+    <exclude>
+      <directory>./build</directory>
+      <directory>./Tests</directory>
+      <directory>./vendor</directory>
+    </exclude>
+  </coverage>
+  <testsuites>
+    <testsuite name="VipxBotDetect test suite">
+      <directory suffix="Test.php">./Tests</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>